<ion-header>
  <ion-navbar color="primary">
    <ion-title>
      待办事项
    </ion-title>
    <ion-buttons end>
        <button ion-button icon-left (click)="addTask()">
          <ion-icon name="add"></ion-icon>  <!--新增-->
        </button>
    </ion-buttons>
  </ion-navbar>
</ion-header>

<ion-content padding>
  <ion-refresher (ionRefresh)="doRefresh($event)">
    <ion-refresher-content
        pullingIcon="arrow-dropdown"
        pullingText="下拉刷新"
        refreshingSpinner="circles"
        refreshingText="刷新...">
    </ion-refresher-content>
  </ion-refresher>
  <ion-list>
    <ion-item-sliding #slidingItem *ngFor="let task of tasks">
      <ion-item [ngClass]="{'task_done': task.status === 'done'}">{{task.title}}
      </ion-item>
      <ion-item-options side="right" (ionSwipe)="removeTask(slidingItem, task)">
        <button  ion-button icon-only color="secondary" (click)="markAsDone(slidingItem, task)">
            <ion-icon name="checkmark"></ion-icon>
        </button>
        <button  ion-button icon-only expandable color="danger" (click)="removeTask(slidingItem, task)">
            <ion-icon name="trash"></ion-icon>
        </button>
      </ion-item-options>
    </ion-item-sliding>
  </ion-list>
</ion-content>
The world is your oyster.
<p>
  If you get lost, the <a href="http://ionicframework.com/docs/v2">docs</a> will be your guide.
</p>
